How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 8/14100.0*Chance wins title100.0*League One100.0*Conference100.0*Average seed
Notts County 0 Mansfield 2 +0.4
-0.1
Week of 8/15100.0*Chance wins title100.0*League One100.0*Conference100.0*Average seed
Dag & Red 1 Leyton Orient 3 No
-0.4
+13.8
-1.6
York 1 Hartlepool 2 -1.5
+0.1
Carlisle 4 Cambridge 4 +0.1
Luton 2 Oxford Utd 2 +0.3
Barnet 0 Wycombe 2 -1.7
+0.1
Crawley 1 Wimbledon 2 +2.7
-0.1
Yeovil 0 Bristol Rovers 1 +0.1
Morecambe 1 Accrington 0 +2.1
-0.1
Dag & Red 1 Exeter 2 No
+35.2
-2.1
Luton 0 Bristol Rovers 1 +0.1
Wimbledon 1 Cambridge 2 +0.1
Oxford Utd 3 Notts County 1 -0.1
Morecambe 0 Wycombe 1 +0.0
Accrington 1 Mansfield 0 +1.0
-0.2
Barnet 2 Northampton 0 +9.2
-0.5
Newport 2 Stevenage 2 +1.9
+0.1
Hartlepool 1 Newport 0 -1.1
+0.1
Crawley 0 Portsmouth 0 +1.1
-0.0
York 1 Yeovil 0 +0.9
-0.1
Leyton Orient 3 Stevenage 0 -0.8
+0.1
Week of 8/22100.0*Chance wins title100.0*League One100.0*Conference100.0*Average seed
Wycombe 1 Dag & Red 1 -24.7
+0.8
Stevenage 2 Hartlepool 0 +6.2
-0.2
Yeovil 3 Luton 2 +5.1
-0.1
Newport 2 Leyton Orient 3 -1.5
+0.0
Points
Chance Will Win Championship